=228==总共180次 {平均3.67次} ===
◆1次  18, (１)
◆2次  04,05,30,43,46, (５)
◆3次  01,10,20,21,24,25,29,34,36,37,39,47, (１２)
◆4次  02,03,06,07,08,09,12,14,22,23,27,31,32,33,35,38,40,41,42,44,45,48,49, (２３)
◆5次  11,13,15,16,17,19,26, (７)
◆6次  28, (１)
主345次围